White has a dream position, but breaking Carlsen's resistance is always very difficult.
28. g5d8 [%c_effect d8;square;d8;type;GreatFind;persistent;true][%c_highlight a5;keyPressed;none;opacity;0.8;square;a5;persistent;false] A difficult-to-spot and very unpleasant move. 28... a5c6  29. d8c7  29... b8b7  30. d2c4 